Device convenient for processing easy-to-tear line of plastic packaging bag

Abstract

The utility model relates to the technical field of plastic packaging bag processing, and discloses a device convenient for processing an easy-to-tear line of a plastic packaging bag, the device comprises a rack, two conveying rollers are rotatably connected in the rack, the outer circumferential surfaces of the two conveying rollers are in transmission connection with a conveying belt, a first motor is arranged on the back surface of one conveying roller, and a second motor is arranged on the back surface of the other conveying roller. And the upper surface of the rack is fixedly connected with an easy-to-tear line processing module. The device for conveniently processing the easy-to-tear line on the plastic packaging bag is simple in structure and convenient to operate, the aim of rapidly and stably processing the easy-to-tear line on the plastic packaging bag is achieved by arranging a heating element, a cutting roller and a blade, and the easy-to-tear line can be rapidly and stably processed by arranging a positioning sensor and a speed sensor. The accuracy of the machining position of the easy-to-tear line and the stability of the production process are improved, the production cost and the material loss are effectively reduced, and the problems that an existing device for machining the easy-to-tear line is complex in structure, inconvenient to operate, low in production efficiency and large in packaging bag material loss are solved.

Description

Technical Field

[0001] This application relates to the technical field of plastic packaging bag processing, and specifically relates to a device for facilitating the processing of tear lines on plastic packaging bags. Background Art

[0002] During the production process of plastic packaging bags, in order to improve the user experience, tear lines are usually processed on the packaging bags. A tear line is a dotted line designed on the packaging material, aiming to facilitate consumers to easily tear open the packaging.

[0003] Existing devices for processing tear lines have problems such as complex structures, inconvenient operations, low production efficiency, and large material losses for packaging bags. Utility Model Content

[0004] In view of the deficiencies of the prior art, this application provides a device for facilitating the processing of tear lines on plastic packaging bags, which has the advantages of simple structure, convenient operation, high production efficiency, effectively reducing production costs and material losses, being able to quickly and stably process tear lines, and improving the accuracy of the tear line processing position and the stability of the production process, solving the problems of complex structure, inconvenient operation, low production efficiency, and large material losses for packaging bags existing in existing devices for processing tear lines.

[0005] To achieve the above object, this application provides the following technical solution: A device for facilitating the processing of tear lines on plastic packaging bags, including a frame. Two conveying rollers are rotatably connected inside the frame. A conveyor belt is drivingly connected to the outer circumferential surfaces of the two conveying rollers. A first motor is provided on the back of one of the conveying rollers. An easy tear line processing module is fixedly connected to the upper surface of the frame. A heating element is provided inside the easy tear line processing module. A second motor is provided on the back of the easy tear line processing module. An output shaft is rotatably connected to the front of the second motor. A cutting roller is slidably sleeved on the outer circumferential surface of the output shaft. Blades are provided on the outer circumferential surface of the cutting roller. A control module is fixedly connected to the upper surface of the easy tear line processing module. Four bases are slidably connected to the outer surface of the frame. A positioning sensor is fixedly connected to the upper surface of each base. A speed sensor is fixedly sleeved on the outer circumferential surface of one of the conveying rollers.

[0006] Through the above solution, due to the problems of complex structure, inconvenient operation, low production efficiency, and large material losses for packaging bags existing in existing devices for processing tear lines, by setting a heating element, a cutting roller, and blades, the goal of quickly and stably processing tear lines on plastic packaging bags is achieved. By adding positioning sensors and speed sensors, the accuracy of the tear line processing position and the stability of the production process are improved.

[0007] Furthermore, a support plate is fixedly connected to the inner wall of the frame, and the support plate is located directly below the cutting roller.

[0008] Through the above solution, the plastic belt on the conveyor belt is supported to ensure the cutting quality of the blade.

[0009] Furthermore, two limiting rings are fixedly sleeved on the outer circumferential surface of each conveying roller, and the outer circumferential surface of the limiting ring is rotatably connected to the inside of the machine frame.

[0010] Through the above solution, the conveying roller is restricted to prevent the conveying roller from sliding and shifting, and the stability of the movement of the conveying roller is increased.

[0011] Furthermore, eight sliding grooves are formed inside the machine frame, two sliding blocks are fixedly connected to the inner wall of the base, and the outer surfaces of the sliding blocks are slidably connected to the machine frame through the sliding grooves respectively.

[0012] Through the above solution, the base is urged to move along the sliding groove as the track of the sliding block, which is convenient for adjusting the positions of the base and the positioning sensor.

[0013] Furthermore, a positioning bolt is threadedly connected to the inside of each base, and the sides of the positioning bolts close to the machine frame are respectively in contact with the outer surface of the machine frame.

[0014] Through the above solution, the base is positioned by the positioning bolt, and the stability of the base during operation is increased.

[0015] Furthermore, equally spaced scale grooves are formed on the outer surface of the machine frame, and the scale grooves are respectively located below the sliding grooves.

[0016] Through the above solution, the scale grooves can assist the positioning sensor in position adjustment, providing convenience for the operator.

[0017] Furthermore, a first positioning ring is fixedly sleeved on the outer circumferential surface of the output shaft, the front surface of the first positioning ring is in contact with the back surface of the cutting roller, a second positioning ring is threadedly connected to the outer circumferential surface of the output shaft, and the back surface of the second positioning ring is in contact with the front surface of the cutting roller.

[0018] Through the above solution, the cutting roller can be positioned by the first positioning ring and the second positioning ring, and the second positioning ring threadedly connected to the output shaft can be disassembled, thereby facilitating the disassembly and maintenance of the cutting roller.

[0019] Furthermore, two limiting plates are fixedly connected to the outer circumferential surface of the output shaft, and the outer surfaces of each limiting plate are slidably connected to the cutting roller through empty grooves formed inside the cutting roller.

[0020] Through the above solution, the cutting roller is restricted to make the cutting roller always rotate following the output shaft, and the stability of the movement of the cutting roller is improved.

[0021] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0022] The device for facilitating the processing of tear lines on plastic packaging bags has a simple structure and convenient operation. By setting heating elements, cutting rollers, and blades, the goal of quickly and stably processing tear lines on plastic packaging bags is achieved. By setting positioning sensors and speed sensors, the accuracy of the tear line processing position and the stability of the production process are improved, effectively reducing production costs and material losses, and solving the problems of complex structure, inconvenient operation, low production efficiency, and large material losses of existing devices for processing tear lines on packaging bags. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is the overall three-dimensional structure diagram of the present application;

[0024] Figure 2 is the structure diagram of the frame of the present application;

[0025] Figure 3 is the structure diagram of the tear line processing module of the present application;

[0026] Figure 4 is the structure diagram of the cutting roller of the present application;

[0027] Figure 5 is the structure diagram of the base of the present application.

[0028] In the figure:

[0029] 1. Frame; 2. Conveyor roller; 3. Conveyor belt; 4. First motor; 5. Tear line processing module; 6. Heating element; 7. Second motor; 8. Output shaft; 9. Cutting roller; 10. Control module; 11. Base; 12. Positioning sensor; 13. Speed sensor; 14. Support plate; 15. Limiting ring; 16. Chute; 17. Slide block; 18. Positioning bolt; 19. Scale groove; 20. First positioning ring; 21. Second positioning ring; 22. Limiting plate; 23. Blade. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0031] Please refer to Figure 1 , Figure 2 and Figure 3, A device for facilitating the processing of tear lines on plastic packaging bags in this embodiment includes a frame 1. Inside the frame 1, two conveying rollers 2 are rotatably connected. A conveyor belt 3 is drivingly connected to the outer circumferential surfaces of the two conveying rollers 2. A first motor 4 is provided on the back of one of the conveying rollers 2. A tear line processing module 5 is fixedly connected to the upper surface of the frame 1. A heating element 6 is provided inside the tear line processing module 5. A second motor 7 is provided on the back of the tear line processing module 5. An output shaft 8 is rotatably connected to the front of the second motor 7. A cutting roller 9 is slidably sleeved on the outer circumferential surface of the output shaft 8. Blades 23 are provided on the outer circumferential surface of the cutting roller 9. A control module 10 is fixedly connected to the upper surface of the tear line processing module 5. Four bases 11 are slidably connected to the outer surface of the frame 1. A positioning sensor 12 is fixedly connected to the upper surface of each base 11. A speed sensor 13 is fixedly sleeved on the outer circumferential surface of one of the conveying rollers 2.

[0032] Please refer to Figure 1 and Figure 2 , A support plate 14 is fixedly connected to the inner wall of the frame 1. The support plate 14 is located directly below the cutting roller 9 to support the plastic strip on the conveyor belt 3 and ensure the cutting quality of the blades 23.

[0033] Please refer to Figure 2 , Two limit rings 15 are fixedly sleeved on the outer circumferential surface of each conveying roller 2. The outer circumferential surfaces of the limit rings 15 are rotatably connected to the inside of the frame 1 to limit the conveying roller 2 and prevent the conveying roller 2 from sliding and shifting, increasing the stability of the movement of the conveying roller 2.

[0034] Please refer to Figure 1 , Figure 2 and Figure 5 , Eight sliding grooves 16 are formed inside the frame 1. Two sliding blocks 17 are fixedly connected to the inner wall of the base 11. The outer surfaces of the sliding blocks 17 are slidably connected to the frame 1 through the sliding grooves 16, enabling the base 11 to move along the sliding grooves 16 following the sliding blocks 17, facilitating the adjustment of the positions of the base 11 and the positioning sensor 12.

[0035] Please refer to Figure 1 , Figure 2 and Figure 5 , A positioning bolt 18 is threadedly connected to the inside of each base 11. The sides of the positioning bolts 18 close to the frame 1 are respectively in contact with the outer surface of the frame 1. The base 11 is positioned by the positioning bolt 18, increasing the stability of the base 11 during operation.

[0036] Please refer to Figure 1 , Figure 2 and Figure 3, the outer surface of the frame 1 is provided with equally spaced scale grooves 19, and the scale grooves 19 are respectively located below the sliding grooves 16. The scale grooves 19 can assist the positioning sensor 12 to adjust the position, providing convenience for the operator.

[0037] Please refer to Figure 1 and Figure 2 , a first positioning ring 20 is fixedly sleeved on the outer circumferential surface of the output shaft 8. The front surface of the first positioning ring 20 is in contact with the back surface of the cutting roller 9. A second positioning ring 21 is threadedly connected to the outer circumferential surface of the output shaft 8. The back surface of the second positioning ring 21 is in contact with the front surface of the cutting roller 9. The cutting roller 9 can be positioned by the first positioning ring 20 and the second positioning ring 21. The second positioning ring 21 threadedly connected to the output shaft 8 can be disassembled, thereby facilitating the disassembly and maintenance of the cutting roller 9.

[0038] Please refer to Figure 4 , two limiting plates 22 are fixedly connected to the outer circumferential surface of the output shaft 8. The outer surface of each limiting plate 22 is slidably connected to the cutting roller 9 through an empty groove opened inside the cutting roller 9, restricting the cutting roller 9 and causing the cutting roller 9 to always rotate following the output shaft 8, improving the stability of the movement of the cutting roller 9.

[0039] A device for facilitating the processing of tear lines on plastic packaging bags in this embodiment has a simple structure and convenient operation. By setting the heating element 6, the cutting roller 9, and the blade 23, the goal of quickly and stably processing tear lines on plastic packaging bags is achieved. By setting the positioning sensor 12 and the speed sensor 13, the accuracy of the tear line processing position and the stability of the production process are improved, effectively reducing the production cost and material loss, and solving the problems of the existing devices for processing tear lines being complex in structure, inconvenient in operation, low in production efficiency, and causing large material loss to the packaging bags.

[0040] It should be noted that the heating element 6 can adopt infrared heating, laser heating, electromagnetic wave heating, etc. The cutting roller 9 and the blade 23 can be replaced with an ultrasonic cutting knife or a laser cutting knife.

[0041] The working principle of the above embodiment is:

[0042] The control module 10 can control the conveying speed of the conveyor belt 3 and the operation of the tear line processing module 5. When it is necessary to process the tear line of the plastic bag, the second motor 7 can be started to drive the cutting roller 9 and the blade 23 to rotate through the output shaft 8. The first motor 4 can be started to drive one of the conveying rollers 2 to rotate, thereby driving the conveyor belt 3 to operate. The plastic bag can be conveyed by the conveyor belt 3 and an external conveying device. When the plastic bag passes through the tear line processing module 5, the heating element 6 quickly and uniformly heats the plastic bag to soften it locally, facilitating subsequent cutting. Then the plastic bag will continue to move forward and pass through the cutting roller 9. By precisely controlling the rotation speed and cutting depth of the blade 23, a tear line with stable quality can be formed on the softened plastic bag. The positioning sensor 12 can monitor the position of the packaging bag in real time to ensure the accuracy of the tear line processing position. The speed sensor 13 can monitor the conveying speed of the conveyor belt 3 in real time and feed the speed signal back to the control module 10 to achieve closed-loop speed control. When it is necessary to disassemble and maintain the cutting roller 9 and the blade 23, the second positioning ring 21 is removed to cancel the positioning restriction on the cutting roller 9, and then the cutting roller 9 and the blade 23 can be removed for maintenance.

[0043] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0044] Although the embodiments of the present application have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for facilitating the processing of an easy-tear line on a plastic packaging bag, comprising a frame (1), characterized in that: Inside the frame (1), two conveying rollers (2) are rotatably connected. A conveyor belt (3) is drivingly connected to the outer circumferential surfaces of the two conveying rollers (2). A first motor (4) is provided on the back of one of the conveying rollers (2). A tear line processing module (5) is fixedly connected to the upper surface of the frame (1). A heating element (6) is provided inside the tear line processing module (5). A second motor (7) is provided on the back of the tear line processing module (5). An output shaft (8) is rotatably connected to the front of the second motor (7). A cutting roller (9) is slidably sleeved on the outer circumferential surface of the output shaft (8). Blades (23) are provided on the outer circumferential surface of the cutting roller (9). A control module (10) is fixedly connected to the upper surface of the tear line processing module (5). Four bases (11) are slidably connected to the outer surface of the frame (1). A positioning sensor (12) is fixedly connected to the upper surface of each base (11). A speed sensor (13) is fixedly sleeved on the outer circumferential surface of one of the conveying rollers (2).

2. The device for facilitating the tear line of plastic packaging bags according to claim 1, characterized in that: A support plate (14) is fixedly connected to the inner wall of the frame (1). The support plate (14) is located directly below the cutting roller (9).

3. The device for facilitating the easy tear line of plastic packaging bags according to claim 1, wherein: Two limiting rings (15) are fixedly sleeved on the outer circumferential surface of each conveying roller (2). The outer circumferential surfaces of the limiting rings (15) are rotatably connected to the inside of the frame (1).

4. A device for facilitating the processing of an easy tear line on a plastic packaging bag according to claim 1, characterized in that: Eight sliding grooves (16) are formed inside the frame (1). Two sliding blocks (17) are fixedly connected to the inner wall of the base (11). The outer surfaces of the sliding blocks (17) are slidably connected to the frame (1) through the sliding grooves (16).

5. The device for facilitating the easy tear line of plastic packaging bags according to claim 1, characterized in that: A positioning bolt (18) is threadedly connected to the inside of each base (11). The sides of the positioning bolts (18) close to the frame (1) are respectively in contact with the outer surface of the frame (1).

6. The device for facilitating the easy tear line of plastic packaging bags according to claim 1, characterized in that: Equidistantly arranged scale grooves (19) are formed on the outer surface of the frame (1). The scale grooves (19) are respectively located below the sliding grooves (16).

7. A device for facilitating the processing of an easy tear line on a plastic packaging bag according to claim 1, characterized in that: A first positioning ring (20) is fixedly sleeved on the outer circumferential surface of the output shaft (8). The front of the first positioning ring (20) is in contact with the back of the cutting roller (9). A second positioning ring (21) is threadedly connected to the outer circumferential surface of the output shaft (8). The back of the second positioning ring (21) is in contact with the front of the cutting roller (9).

8. A device for facilitating the processing of an easy tear line on a plastic packaging bag according to claim 1, characterized in that: Two limiting plates (22) are fixedly connected to the outer circumferential surface of the output shaft (8). The outer surfaces of each limiting plate (22) are slidably connected to the cutting roller (9) through empty grooves formed inside the cutting roller (9).

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